Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
       Order Caenogastropoda Cox, 1960 see Superorder Caenogastropoda Cox, 1960
         Superfamily Rissooidea Gray, 1847
           Family Baicaliidae Fischer, 1885 see Subfamily Baicaliinae Fischer, 1885
             Genus Baicalia Martens, 1876
               01 Subgenus Baicaliella Dybowski & Grochmalicki, 1923 see Subgenus Baikaliella Lindholm, 1909
               02 Subgenus Eubaicalia Lindholm, 1924
               03 Subgenus Dybowskiola Lindholm, 1913
               04 Subgenus Gerstfeldtia Clessin, 1880
               05 Subgenus Godlewskia Crosse & Fischer, 1879
               06 Subgenus Liobaicalia Martens, 1876 see Genus Liobaicalia Martens, 1876
               07 Subgenus Maackia Clessin, 1880
               08 Subgenus Parabaicalia Dybowski, 1911, nom. illeg. see Subgenus Parabaikalia Lindholm, 1909
               09 Subgenus Pseudobaicalia Dybowski, 1911, nom. illeg. see Subgenus Pseudobaikalia Lindholm, 1909
               10 Subgenus Teratobaicalia Dybowski, 1911, nom. illeg. see Subgenus Teratobaikalia Lindholm, 1909
               11 Subgenus Trichiobaicalia Dybowski, 1911, nom. illeg. see Subgenus Trichiobaikalia Lindholm, 1909